This standard is applicable to the measurement of boundary noise of factories and enterprises and institutions that may cause noise pollution.
GB/T 12349-1990 history
2008GB 12348-2008 Emission standard for industrial enterprises noise at boundary
1990GB/T 12349-1990 Method of measuring noise at boundary of industrial enterprises
GB/T 12349-1990 Method of measuring noise at boundary of industrial enterprises was changed to GB 12348-2008 Emission standard for industrial enterprises noise at boundary.